Signatures of modified dispersion relation of graviton in the cosmic microwave background

被引：4
|
作者：
Li, Jun [1 ,2 ,3 ]
Huang, Qing-Guo [2 ,3 ,4 ]
机构：
[1] Yangzhou Univ, Coll Phys Sci & Technol, Ctr Gravitat & Cosmol, Yangzhou 225009, Jiangsu, Peoples R China
[2] Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
[3] Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
[4] Hunan Normal Univ, Synerget Innovat Ctr Quantum ff ects & Applicat, Changsha 410081, Hunan, Peoples R China
来源：
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2018年 / 02期
关键词：
CMBR theory; gravitational waves and CMBR polarization; modified gravity; GRAVITATIONAL-WAVES; POLARIZATION;
D O I：
10.1088/1475-7516/2018/02/020
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The dispersion relation of graviton is a fundamental issue for fundamental physics about gravity. In this paper we investigate how the modified dispersion relation of graviton affects the cosmic microwave background (CMB) power spectra, in particular the B-mode polarization. Our results will be useful to test the dispersion relation of graviton at the energy scale around 10(-29) eV.
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页数：11
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